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A sample of 17 ten-year-old girls had a mean weight of 71.5 and a standard deviation of 12 pounds, respectively. Assuming normality, find the 90

A sample of 17 ten-year-old girls had a mean weight of 71.5 and a standard deviation of 12 pounds,

respectively. Assuming normality, find the 90 and 95 percent confidence intervals for .

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